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Encyclopedia Articles (5)

Pressure
Pressure is a physical force exerted over a surface. Specifically, it is defined as a force (F) divided by unit area (A). When expressed relative to a pure vacuum, this quotient is referred t...
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Pressure
Pressure is a physical force exerted over a surface. Specifically, it is defined as a force (F) divided by unit area (A). When expressed relative to a pure vacuum, this quotient is referred t...
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High-Pressure Physics
The study of high-pressure physics includes any type of physical research in which unusually high pressures are used. There is no specific definition for "high pressures," but th...
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Pressure
Pressure is a physical force exerted over a surface. Specifically, it is defined as force (F) divided by unit area (A). When expressed relative to a pure vacuum, this quotient is referred to ...
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Each cyclist must convert the energy stored in his or her muscles into torque to move the pedals. To go uphill, the necessary rate of work (power) increases as does the required torque. (Corbis Cor...
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